34th LSH Tournament
Open SwissStandard
12 players participated in this 6-round tournament, held from 21 Feb 2026 to 22 Feb 2026 in Seoul, South Korea. Top 10 Elo average was 1108, and top seed was Minjae Kim (🇰🇷 KOR, 1758).
Jaeha Kim (🇰🇷 KOR, 1625) won with 5.5/6, ahead of Sangmin Yoon (4.5) and Chimin Sung (4.0). Kim broke clear in the final round.
The biggest upset came in round 3: Siwon Kim (1482) beat Daeun Woo (1684), a +202-point gap.
Location
🇰🇷Seoul, South Korea
Dates
21 Feb 2026 → 22 Feb 2026
Time control
Standard: 60 minutes for game
System
Swiss · 6 rounds
Federations · 1 represented
🇰🇷South Korea×11
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsJaeha Kim led from R6; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.
Co-leaders
6
3
2
2
2
1
R6–R6 · LEAD HELD
Jaeha Kim never relinquished the lead after R6; final gap +1.0 over the runner-up.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Jaeha Kim drew with Sangmin Yoon (White).
WIN STREAKS · 2 top finishers
Jaeha Kim 3 wins (R1–R3)Sangmin Yoon 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jaeha Kim | * | ½ | 1 | 1 |
| 2Sangmin Yoon | ½ | * | 0 | — |
| 3Minjae Kim | 0 | 1 | * | 0 |
| 4Chimin Sung | 0 | — | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kim, Jaeha | 1625 | KOR | +9N | +5B | +4N | =2B | +3N | +6B | 5.5 | 19.5 | 20.5 | 18.25 | 2425 | +60.0 |
| 2 | Yoon, Sangmin | 0 | KOR | +10B | +11N | +8B | =1N | +4B | −5N | 4.5 | 16.5 | 17.5 | 10.75 | 1660 | 0.0 |
| 3 | Sung, Chimin | 0 | KOR | +6N | −4B | +7N | +5B | −1B | +12N | 4.0 | 19.5 | 19.5 | 10.00 | 1625 | 0.0 |
| 4 | Lee, Seojun B | 1634 | KOR | +12B | +3N | −1B | +6N | −2N | +9B | 4.0 | 18.0 | 18.0 | 8.00 | 1554 | -4.2 |
| 5 | Kim, Minjae | 1758 | KOR | +8B | −1N | +10B | −3N | +9B | +2B | 4.0 | 17.0 | 18.0 | 8.50 | 1633 | -8.0 |
| 6 | Kim, Siwon | 1482 | KOR | −3B | +12N | +11B | −4B | +8N | −1N | 3.0 | 16.5 | 16.5 | 3.00 | 1596 | +23.6 |
| 7 | Cho, Yihwan | 0 | KOR | −11B | −10N | −3B | +9B | +12N | +8B | 3.0 | 9.0 | 9.0 | 3.00 | 1402 | 0.0 |
| 8 | Seo, Yerin | 1443 | KOR | −5N | +9B | −2N | +12B | −6B | −7N | 2.0 | 15.5 | 15.5 | 1.00 | 821 | -22.8 |
| 9 | Kim, Rayon | 0 | KOR | −1B | −8N | +12B | −7N | −5N | −4N | 1.0 | 18.5 | 18.5 | 0.00 | 814 | 0.0 |
| 10 | Ki, Youngbin | 1458 | KOR | −2N | +7B | −5N | F | F | F | 1.0 | 11.5 | 11.5 | 3.00 | 958 | -6.0 |
| 11 | Woo, Daeun | 1684 | KOR | +7N | −2B | −6N | F | F | F | 1.0 | 10.5 | 10.5 | 3.00 | 683 | -30.4 |
| 12 | FIDE 13239120 | 0 | — | −4N | −6B | −9N | −8N | −7B | −3B | 0.0 | 16.0 | 17.0 | 0.00 | 719 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kim, JaehaKOR+60.05.5 pts · #2
- 2Kim, SiwonKOR+23.63.0 pts · #3
- 3Kim, RayonKOR0.01.0 pts · #9
Top rating losers
- 1Woo, DaeunKOR-30.41.0 pts · #11
- 2Seo, YerinKOR-22.82.0 pts · #8
- 3Kim, MinjaeKOR-8.04.0 pts · #4
Biggest upsets
- R3+202 Elo gap
- R2+133 Elo gap